Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/meta/StackFrames.java @ 372:fc3cf0ef777e
Added meta data service.
flys-artifacts/trunk@1781 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Fri, 29 Apr 2011 15:10:44 +0000 |
| parents | |
| children | 7c018f466d6d |
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| 371:dfbb3d50b0bd | 372:fc3cf0ef777e |
|---|---|
| 1 package de.intevation.flys.artifacts.services.meta; | |
| 2 | |
| 3 import java.util.Map; | |
| 4 import java.util.List; | |
| 5 import java.util.HashMap; | |
| 6 import java.util.ArrayList; | |
| 7 | |
| 8 public class StackFrames | |
| 9 { | |
| 10 protected List<Map<String, Object>> frames; | |
| 11 | |
| 12 public StackFrames() { | |
| 13 frames = new ArrayList<Map<String, Object>>(); | |
| 14 } | |
| 15 | |
| 16 public void enter() { | |
| 17 frames.add(new HashMap<String, Object>()); | |
| 18 } | |
| 19 | |
| 20 public void leave() { | |
| 21 frames.remove(frames.size()-1); | |
| 22 } | |
| 23 | |
| 24 public void put(String [] keys, Object [] values) { | |
| 25 Map<String, Object> top = frames.get(frames.size()-1); | |
| 26 for (int i = 0; i < keys.length; ++i) { | |
| 27 top.put(keys[i], values[i]); | |
| 28 } | |
| 29 } | |
| 30 | |
| 31 public Object get(String key) { | |
| 32 return get(key, null); | |
| 33 } | |
| 34 | |
| 35 public Object get(String key, Object def) { | |
| 36 | |
| 37 for (int i = frames.size()-1; i >= 0; --i) { | |
| 38 Map<String, Object> frame = frames.get(i); | |
| 39 if (frame.containsKey(key)) { | |
| 40 return frame.get(key); | |
| 41 } | |
| 42 } | |
| 43 | |
| 44 return def; | |
| 45 } | |
| 46 } | |
| 47 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |